package com.laundry.service;

import com.laundry.entity.Promotion;

import java.util.List;

public interface PromotionService {
    List<Promotion> findAll();
    List<Promotion> findActivePromotions();
    Promotion findById(Long id);
    Promotion save(Promotion promotion);
    Promotion update(Promotion promotion);
    void deleteById(Long id);
} 